Pepper Computer RS485 用户手册

SMART I/O User’s Manual

March 12, 1996

©1996 PEP Modular Computers GmbH

Page 6 - 2

Chapter 6 Communications Modules

Table of Contents

6. Communications Modules .......................6-5

6.1 SM-RS232 ............................................................................. 6-5

6.1.1 Introduction ......................................................................................... 6-5

6.1.2 Specifications ...................................................................................... 6-5

6.1.3 Front Panel Layout .............................................................................. 6-6

6.1.4 Board Overview .................................................................................. 6-6

6.1.5 Functional Description ........................................................................ 6-7

6.1.6 Configuration ...................................................................................... 6-8

6.1.7 Pinouts ................................................................................................. 6-8

6.1.8 ISaGRAF Programming .................................................................... 6-10

6.1.8.1 The ISaGRAF Board Parameters ............................................. 6-10

6.1.8.2 The ISaGRAF Operate Calls .................................................... 6-12

6.1.9 OS-9 Programming ........................................................................... 6-14

6.2 SM-SSI................................................................................. 6-17

6.2.1 Introduction ....................................................................................... 6-17

6.2.2 Specifications .................................................................................... 6-17

6.2.3 Front Panel Layout ............................................................................ 6-18

6.2.4 Board Overview ................................................................................ 6-18

6.2.5 Functional Description ...................................................................... 6-19

6.2.6 SSI Operation .................................................................................... 6-20

6.2.7 Register Description .......................................................................... 6-22

6.2.7.1 Control Register........................................................................ 6-22

6.2.7.2 CTRL1 Register........................................................................ 6-23

6.2.7.3 CTRL2 Register........................................................................ 6-23

6.2.7.4 CTRL3 Register........................................................................ 6-23

6.2.7.5 Compare Register ..................................................................... 6-24

6.2.7.6 Identification Register .............................................................. 6-24

6.2.7.7 Status Register .......................................................................... 6-24

6.2.7.8 STAT1 Register......................................................................... 6-24

6.2.7.9 STAT2 Register......................................................................... 6-25

6.2.7.10 Data Register .......................................................................... 6-25